(CNN) – Police say they're trying to find a helmet-wearing gunman who robbed one of Las Vegas' most recognizable casinos of $1.5 million in casino chips Tuesday morning – and may also have robbed a different casino last week. With a helmet and visor hiding his face, the man rode to Bellagio casino on a … Continue reading Helmet-wearing gunman robs Bellagio casino of $1.5 million in chips